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An electron has a spin magnetic moment of magnitude ? = 9.285·10–24 A m2. Consequently, it has energy associated with its orientation in a magnetic field. If the difference between the energy of an electron that is "spin up" in a magnetic field of magnitude B and the energy of one that is "spin down" in the same magnetic field (where "up" and "down" refer to the direction of the magnetic field) is 5.601·10–25 J, what is the field magnitude, B?
Find a circuit to change the relationship between waveform and zero-volt axis & calculating the period of waveform.
A series ac circuit contains a 230? resistor, a 18.0mH inductor, a 4.50?F capacitor, What is the power factor of this circuit
An infinitely long line of charge has linear charge density 4.00 10-12 C/m. A proton (mass 1.67 10-27 kg, charge +1.60 10-19 C) is 17.0 cm from the line and moving straight toward the line at 3000m/s.
What is the force on the 1 nC charge at the bottom. how far will it skid if it is traveling at 120 km/h when its brakes lock.
However, as the drawing shows, a plane mirror reflects light from the bird into your camera. If x = 4.2 m and y = 3.9 m in the drawing, for what distance must you set focus of the camera lens in order to snap a sharp picture of the bird's image.
An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3 m/s2. The takeoff speed for this plane will be 65 m/s. Assuming this minimum acceleration, what is the minimum..
An owl is chasing a squirrel and is using echolocation (the reflection of sound) to aid in the hunt. If the squirrel is 40.5 m from the owl, how long does it take sound to travel from the owl to the squirrel and then back to the owl? (Use 343m/s a..
The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 28 m radius of curvature, What is the car's speed at the bottom of the dip
A physics demo launches a ball horizontally while dropping a second ball vertically at exactly the same time. [Delayed Feedback] 1) Which ball hits the ground first?
The four particles form a square of edge length a = 4.90 cm and have charges q1 = 6.40 nC, q2 = -6.17 nC, q3 = 8.41 nC, and q4 = -8.40 nC. What is the magnitude of the net electric field produced by the particles at the square's center?
Purchase new automated equipment that will change the proportion between variable and fixed costs to 40% variable and 60% fixed. Determine the selling price per unit. Calculate the break-even point in dollars for 2011.
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp.
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